package day02;

public class one {
    public static void main(String[] args) {
     /*   int a;
        int b,c,d;
        int e = 5;
        int f;
        f = 5;
        int g =5;
        int h = g+10;
        System.out.println(h);
        g = g+10;
        System.out.println(g);
        //正确明名:
        int a1,a_5$,_3c,$_b1;
        //错误命名:
        //int,1a,a*b;*/

      /*  int z = 10;
        int x = 3;
        System.out.println(z/x);
        System.out.println(x/z);
        int v = 2147483647;//int的最大值
        v = v+1;
        System.out.println(v);//-2147483648(int的最小值),发生溢出,需避免*/

        long a =10L;
        long b = 10000000000L;
        long d = 1000000000*2*10L;
        System.out.println(d);
        long c = 1000000000*3*10L;
        System.out.println(c);
        long e = 1000000000L*3*10;
        System.out.println(e);



    }
}
